CENTERVILLE ROAD. A LARGE BARN WAS DESTROYED AND OTHER BUILDINGS WERE SEVERELY DAMAGED. LARGE TREES WERE SNAPPED OR UPROOTED. THE TORNADO REACHED ITS MAXIMUM INTENSITY OF EF3 AT THE NORTHEAST CORNER OF CENTERVILLE ROAD AND BEAVERTON ROAD. A TWO STORY FARM HOUSE AND GARAGE WERE LEVELED AND LARGE TREES WERE STRIPPED OF ALL BRANCHES. THE TORNADO WAS ABOUT 100 YARDS WIDE THROUGH THIS AREA. THE TORNADO CONTINUED EAST NORTHEAST ACROSS STIMES ROAD AND EVENTUALLY CROSSED THE MCHENRY-BOONE COUNTY ...